{"id":"CVE-2023-28800","aliases":["EUVD-2023-32435","GHSA-crh5-rq78-8m4h"],"status":"published","title":"Output encoding missing in redrurl parameter","description":"When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00548,"percentile":0.46239,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-79"],"published":"2023-06-22T19:15:55Z","modified":"2026-06-17T05:48:47Z","products":[{"vendor":"zscaler","product":"client connector"},{"vendor":"zscaler","product":"client_connector"}],"references":[{"url":"https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541","tags":["x_transferred","Release Notes"]},{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771","tags":["x_transferred","Release Notes"]},{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706","tags":["x_transferred","Release Notes"]},{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071","tags":["x_transferred","Release Notes"]},{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246","tags":["x_transferred","Release Notes"]},{"url":"https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28800"},{"url":"https://github.com/advisories/GHSA-crh5-rq78-8m4h"}],"sources":{"cve":[{"id":"CVE-2023-28800","title":"Output encoding missing in redrurl parameter","description":"When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.","status":"published","published":"2023-06-22T19:15:55.258Z","modified":"2024-12-06T15:13:35.28Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:32.376766Z"}],"euvd":[{"id":"EUVD-2023-32435","description":"When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.","status":"published","published":"2023-06-22T19:15:55Z","modified":"2024-12-06T15:13:35Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:04:39.149757Z"}],"ghsa":[{"id":"GHSA-crh5-rq78-8m4h","title":"When using local accounts for administration, the redirect url parameter was not encoded...","description":"When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.\n\n","status":"published","published":"2023-06-22T21:30:48Z","modified":"2024-04-04T05:07:19Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-20","CWE-79"],"updated_at":"2026-11-02T14:56:29.503716Z"}],"nvd":[{"id":"CVE-2023-28800","description":"When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.","status":"published","published":"2023-06-22T20:15:09.373Z","modified":"2026-06-17T05:48:47.937Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:12.414559Z"}]}}